ctucx.git: nixfiles

configurations/homebrew: (un)link openjdk so macos can use it

diff --git a/configurations/homebrew.nix b/configurations/homebrew.nix
@@ -31,4 +31,20 @@
       "ICE Buddy" = 1595947689;
     };
   };
+
+  system.activationScripts.postActivation.text = ''
+    # Link the homebrew openjdk so that macos can use it
+    HOMEBREW_JAVAVM="/opt/homebrew/opt/openjdk/libexec/openjdk.jdk"
+    MACOS_JAVAVM="/Library/Java/JavaVirtualMachines/openjdk.jdk"
+    if [ -d "$HOMEBREW_JAVAVM" ]; then
+      if [ ! -e "MACOS_JAVAVM" ] ; then
+        ln -sfn $HOMEBREW_JAVAVM $MACOS_JAVAVM;
+      fi
+    else
+      if [ ! -e "$MACOS_JAVAVM" ] ; then
+        rm $MACOS_JAVAVM;
+      fi
+    fi
+  '';
+
 }